KR102206111B1 - System for public bath for rapidly heating fresh water and sea water - Google Patents

Abstract

The freshwater and seawater heating system for a bathhouse of the present invention is configured to heat the introduced cold fresh water by a first heating unit to generate and store hot fresh water, and then supply it to the first hot water supply unit in the bathhouse. Including a freshwater heating tank part and a seawater heating tank part configured to heat the introduced cold seawater with a second heating part to generate and store warm seawater, and then supply it to the second hot water supply part in the bathroom. And, the second heating unit is characterized in that it comprises a first heat exchanger configured to heat exchange between the hot fresh water of the freshwater heating tank and the cold seawater of the seawater heating tank.

Description

Freshwater and seawater heating system for bathroom {SYSTEM FOR PUBLIC BATH FOR RAPIDLY HEATING FRESH WATER AND SEA WATER}

The present invention relates to a freshwater and seawater heating system for a bathroom, and not only can efficiently heat fresh water using a heat pump and a boiler, but also heat exchange with fresh water when the seawater is heated, thereby efficiently heating seawater. It relates to a freshwater and seawater heating system for public baths that can be supplied.

The heat pump type hot water generation system that is currently generally used is mainly used in facilities that use large quantities of hot water, such as a bathhouse.

A conventional heat pump type hot water generating system is generally configured to heat fresh water or sea water while generating heat using a heat pump composed of an evaporator and a condenser.

At this time, the evaporator is supplied with groundwater, air heat source, wastewater heat source, etc. to absorb energy, and the absorbed energy is re-emitted from the condenser so that hot water can be produced based on the emitted energy.

In addition, when heating the seawater, a method of increasing the temperature of seawater through indirect heat exchange with the seawater by generating high-temperature steam to heat seawater is mainly used.

However, in the case of a conventional hot water heating system, in order to prevent mixing between fresh water and sea water, an additional heat source is required by heating by separating fresh water and sea water from each other, and a huge cost is required to construct the hot water heating system. It is a situation that contains.

KR 20-2006-0026172 Y1'Heat pump type hot water generator for bathroom' KR 10-2009-0024295 A'Power and cold, hot water production system using heat pump'

The problem to be solved by the present invention was created to solve the above problem, and by performing heat exchange between hot fresh water and cold sea water through a heat exchanger, the heating of fresh water and sea water can be carried out organically. The purpose of this is to provide a freshwater and seawater heating system for bathhouses that can simultaneously heat freshwater and seawater without having an additional heat source during heating.

According to an embodiment of the present invention for solving the above-described problem, the freshwater and seawater heating system for a bathhouse of the present invention generates hot fresh water by heating the introduced cold and fresh water with a first heating unit. And after storage, a freshwater heating tank unit configured to be supplied to a first hot water supply unit in a bathhouse, and a second heating unit to heat the introduced cold seawater to generate and store warm seawater, And a seawater heating tank unit configured to supply a second hot water supply unit in the bath, wherein the second heating unit includes a first heat exchanger configured to exchange heat with hot fresh water from the freshwater heating tank unit and cold seawater from the seawater heating tank unit. do.

In more detail, the freshwater heating tank unit includes a cold fresh water supply pipe located near one side of the lower portion of the freshwater heating tank unit and supplying cold fresh water to the inside of the freshwater heating tank unit, and near the other side of the top of the freshwater heating tank unit And a hot fresh water discharge pipe for discharging the hot fresh water generated by the first heating unit to the outside of the fresh water heating tank, and flows at an inner end of at least one of the cold and fresh water supply pipe and the hot fresh water discharge pipe A baffle is provided, and the flow baffle is configured such that freshwater flow between the inside of the freshwater heating tank and the at least one pipe is formed by bypassing in a lateral direction.

More specifically, the flow baffle is coupled or connected to an inner end of the at least one pipe, and an outer side toward the inner wall of the freshwater heating tank and the outer side toward the inner center of the freshwater heating tank. It includes an inward portion positioned on the opposite side of the portion, and the outer portion is characterized in that a plurality of through portions are provided to allow fresh water to pass.

According to the present invention as described above, the second heating unit includes a first heat exchanger configured to exchange heat with hot fresh water of the freshwater heating tank and cold seawater of the seawater heating tank, so that a separate energy source for heating seawater and / Or, since cold sea water can be heated with warm sea water without an energy supply device, it has the effect of remarkably reducing the overall heating equipment cost while heating both fresh water and sea water.

In addition, in the present invention, since the second heating unit is configured to include the first heat exchanger, for example, it heats low-temperature seawater of about 1° C. to 6° C. by using the thermal energy of high-temperature fresh water of about 60° C. to less than 70° C. Compared to the case of heating cold seawater using the heat energy of fresh water in the state of steam or ultra-high temperature fresh water at a temperature close to steam, the precipitation rate and the amount of salt in the heat exchange pipe can be significantly reduced, resulting in the precipitation of the heat exchange pipe. It is possible to prevent the phenomenon of being closed by salt, and consequently, the life of the first heat exchanger can be significantly improved.

This is because when the cold seawater is heated by using the thermal energy of fresh water in the state of steam or ultra-high temperature fresh water at a temperature close to water vapor, some of the moisture in the seawater evaporates, so that salt is precipitated at a very fast rate.

In addition, in the present invention, since the second heating unit is configured to include the first heat exchanger, for example, it heats low-temperature seawater of about 1° C. to 6° C. by using the thermal energy of high-temperature fresh water of about 60° C. to less than 70° C. Compared to the case of heating cold seawater using the thermal energy of fresh water in the state of steam or ultra-high temperature fresh water at a temperature close to water vapor (i.e., salt corrosion in a high temperature atmosphere), the salt corrosion rate of the heat exchange pipe can be significantly reduced. As a result, the life of the first heat exchanger can be significantly improved.

In addition, through the flow baffle formed in the heating tank part, the flow of fresh water remaining in the heating tank part is prevented from rising directly up and down, thereby increasing the heating residence time of the fresh water, and increased heating. The heating efficiency and heating performance can be further improved by the residence time.

In addition, by generating a flow in a direction opposite to the main flow path of fresh water proceeding in the heating tank through the inner and outer directional portions and the through portions formed in the flow baffle, fresh water is retained in the heating tank. It is possible to further extend the residence time, and thus, it is possible to provide an effect of further improving the heating efficiency and heating rate for fresh water and seawater.

1 is a block diagram showing a conventional freshwater and seawater heating system.
Figure 2 is a block diagram showing a freshwater and seawater heating system for a bathroom of the present invention.
3 is an exemplary diagram schematically illustrating a path through which fresh water flows in a heating tank part provided in a conventional freshwater and seawater heating system.
4 is an exemplary view schematically illustrating a path through which fresh water flows in a heating tank part provided in the freshwater and seawater heating system for a bathroom of the present invention.
5 is an enlarged view showing an enlarged view of a flow baffle provided in a position adjacent to the supply pipe in the heating tank portion of the freshwater and seawater heating system for a bathroom of the present invention.
6 is an enlarged view showing an enlarged view of a flow baffle provided at a position adjacent to the discharge pipe in the heating tank portion of the freshwater and seawater heating system for a bathroom of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings.

Further, the embodiments described below do not unreasonably limit the content of the present invention described in the claims, and the entire configuration described in the present embodiment cannot be said to be essential as a solution to the present invention.

In addition, descriptions of the prior art and those that are obvious to those skilled in the art may be omitted, and descriptions of such omitted components and functions may be sufficiently referenced within the scope of the technical spirit of the present invention.

Hereinafter, a freshwater and seawater heating system for a bathroom according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram showing a conventional freshwater and seawater heating system, Figure 2 is a configuration diagram showing a freshwater and seawater heating system for a bathhouse of the present invention, Figure 3 is provided in the conventional freshwater and seawater heating system It is an exemplary diagram schematically illustrating a path through which fresh water flows in a heating tank, and FIG. 4 is an exemplary diagram schematically illustrating a path through which fresh water flows in a heating tank provided in the freshwater and seawater heating system for a bathroom of the present invention, 5 is an enlarged view showing an enlarged view of a flow baffle provided in a position adjacent to the supply pipe in the heating tank of the freshwater and seawater heating system for a bathhouse of the present invention, and FIG. 6 is a heating system for the freshwater and seawater heating system for a bathhouse of the present invention It is an enlarged view showing an enlarged flow baffle provided in a position adjacent to the discharge pipe in the tank part.

First, as shown in FIG. 1, in the conventional freshwater and seawater heating system, a freshwater heating tank 10 and a seawater heating tank 20 are provided independently of each other, and a predetermined amount of the freshwater heating tank 10 It is provided to store fresh water, and is provided in the seawater heating tank 20 to store a certain amount of seawater.

In addition, a supply pipe 11 formed for inflow of cold fresh water, which is fresh water unheated toward the fresh water heating tank 10, is formed, and heating the cold fresh water stored in the fresh water heating tank 10 is provided. In order to proceed, at least one or more freshwater heating units 12a, 12b, 12c may be formed.

In this case, a cold fresh water inlet 13 for introducing the cold fresh water into the fresh water heating units 12a, 12b, 12c may be formed in the freshwater heating tank 10.

In addition, the cold fresh water transferred to the fresh water heating unit 12a, 12b, 12c through the cold fresh water inlet 13 is continuously heated for the cold fresh water through the fresh water heating unit 12a, 12b, 12c. It proceeds to, and generates hot fresh water, which is fresh water in a heated state.

Thereafter, the hot fresh water is re-introduced into the fresh water heating tank 10 again, and a discharge pipe 14 is provided in the fresh water heating tank 10 to discharge the re-inflowed hot fresh water to the outside of the fresh water heating tank 10. ) Is formed.

Next, the seawater heating tank 20 is provided independently from the freshwater heating tank 10, as described above, and the cold seawater which is not heated toward the seawater heating tank 20 A supply pipe 21 formed for inflow is formed, and a seawater heating unit 22 may be formed to heat the cold seawater stored in the seawater heating tank 20.

In this case, a cold seawater inlet 23 for introducing the cold seawater into the seawater heating unit 22 may be formed in the seawater heating tank 20.

In addition, the cold seawater transferred to the seawater heating unit through the cold seawater inlet 20 is continuously heated to the cold seawater through the seawater heating unit 22, and the heated seawater is heated. It produces seawater.

Thereafter, the warm seawater is re-introduced into the seawater heating tank 10 again, and a discharge pipe 24 is formed in the seawater heating tank to discharge the re-inflowed cold seawater to the outside of the seawater heating tank 20 do.

Next, as shown in FIG. 2, the freshwater and seawater heating system for a bathroom of the present invention is characterized by including a freshwater heating tank unit 100 and a seawater heating tank unit 200.

In particular, the freshwater heating tank unit 100 generates and stores warm fresh water by heating the introduced cold fresh water with the first heating unit 300, and then the first hot water supply unit in the bathroom ( It characterized in that it is configured to be supplied as (not shown).

In this case, the first hot water supply unit may include a shower head or a faucet provided in a bathroom.

In addition, the seawater heating tank unit 200 heats the introduced cold seawater with the second heating unit 400 to generate and store warm seawater, and then a second hot water supply unit in the bathroom ( It characterized in that it is configured to be supplied as (not shown).

In this case, the second hot water supply unit may include a seawater hot spring bath and a hot water supply line for seawater bath.

In addition, the first heating unit 300 includes a main heating unit 310 and at least one sub heating unit 320, and the main heating unit 310 may be configured as a heat pump type heating unit, and the The sub-heater 320 may be configured as a boiler using fossil fuel.

In particular, by configuring the main heating unit 310 as a heat pump type heating unit, it is possible to generate the hot fresh water and at the same time generate cold air or cold water required for cooling, thereby generating more economical hot and fresh water, and Indoor air control becomes possible.

In particular, the second heating unit 400 includes a first heat exchanger (not shown) configured to exchange heat between hot fresh water stored in the freshwater heating tank unit 100 and cold sea water in the seawater heating tank unit 200. It is configured to include, so that the freshwater heating tank unit 100 and the seawater heating tank unit 200 can be operated mutually organically.

The freshwater and seawater heating system for a bathhouse of the present invention having the configuration as described above includes cold and fresh water into the freshwater heating tank 100 through the cold fresh water supply pipe 101 formed in the freshwater heating tank 100. It is provided so as to be selectively introduced, and at the same time, it is provided to allow cold seawater to flow into the inside of the seawater heating tank 200 through the cold seawater supply pipe 201 formed in the seawater heating tank 200.

In addition, the fresh water heating tank 100 may be provided with a cold fresh water supply tank 102 provided to temporarily store cold fresh water.

In particular, by providing the cold fresh water supply tank 102, the temperature of the cold fresh water can be maintained at a constant temperature, and the first heating unit 300 to be described later continuously heats the cold fresh water.

In this case, the temperature of the cold and fresh water stored in the cold and fresh water supply tank 102 may not exceed 36° C., so that the driving of the first heating unit 300 may not be stopped.

Accordingly, as it becomes possible to continuously heat the cold and fresh water, a stable heating system can be driven, and the operational reliability of the heating system of the present invention can be further improved.

Thereafter, in the freshwater heating tank 100, the cold and fresh water is heated through the above-described first heating unit 300, at this time, the first heating unit 300 from the cold and fresh water supply tank 102 described above. It is configured to be introduced into and heated.

In particular, the first heating unit 300 includes a main heating unit 310 and at least one sub heating unit 320 as described above.

In addition, a cold and fresh water inlet line 311 may be formed in the main heating unit 310 for introducing the cold and fresh water from the cold and fresh water supply tank 102 to the main heating unit 310.

In addition, a hot fresh water outlet line 312 may be formed to re-transfer the hot fresh water heated through the main heating unit 310 to the fresh water heating tank 100 side.

In particular, when operating a heat pump in the related art, when the temperature of the fluid flowing into the heat pump exceeds 36°C or more, a loss of refrigerant of the heat pump occurs and the operation is stopped. In the formation of the main heating unit 310 that can be configured as a heat pump type heating unit of, the end of the cold and fresh water inlet line 311 constituting the main heating unit 310 is the cold and fresh water supply tank 102 and It is prepared to be connected.

In addition, the sub-heating unit 320 including the boiler is formed to include a cold fresh water inlet line 321 and a hot fresh water outlet line 322, and generates the hot fresh water through the second heat exchanger 330 It is equipped to be able to proceed.

In addition, the end of the hot fresh water outflow line 322 on the side of the sub heating unit 320 is disposed to be adjacent to the upper end of the fresh water heating tank unit 100 to be heated at a predetermined temperature in the fresh water heating tank unit 100 The above hot fresh water can be prevented from excessively flowing into the cold fresh water inlet line 321 on the side of the sub heating unit 320.

At this time, the end of the cold and fresh water inlet line 321 extending from the sub-heating unit 320 may be disposed below the position where the hot fresh water outlet line 322 is formed, so that the fresh water heating tank unit ( When the cold fresh water and the hot fresh water stay together in 100), the cold fresh water having a relatively high density compared to the hot fresh water can be more smoothly transferred to the cold fresh water inlet line 321 side.

Thereafter, after a predetermined amount of hot fresh water heated by the first heating unit 300 is accommodated in the fresh water heating tank 100, it is configured to be discharged to the outside by the hot fresh water discharge pipe 103.

And, as described above, the seawater heating tank unit 200 is provided to generate and store warm seawater, which is seawater in a heated state by heating cold seawater.

In addition, the seawater heating tank 200 may be provided to include a cold seawater supply pipe 201 and a warm seawater discharge pipe 203, and the cold seawater which is seawater that is not heated through the cold seawater supply pipe 201 Is supplied to the inside of the seawater heating tank 200, and through the warm seawater discharge pipe 203, warm seawater, which is a heated seawater, can be discharged to the outside.

In addition, a second heating unit 400 is provided to heat the cold sea water to generate warm sea water.

In this case, a cold seawater inlet line 210 connected to the seawater heating tank 200 may be formed in order to introduce the cold seawater to the second heating unit 400.

In addition, a warm seawater outlet line 220 may be provided to discharge the warm seawater generated through the second heating unit 400 to the seawater heating tank unit 200 again, and the density difference according to the temperature of the fluid The warm seawater outflow line 220 may be disposed above the cold seawater inflow line 210 so as to correspond to.

In addition, the second heating unit 400 is provided to be connected to the seawater heating tank unit 200 as described above and to be connected to the freshwater heating tank unit 100 at the same time, and the hot fresh water inlet line 410 and It is provided to include a cold fresh water outflow line 420.

At this time, the hot fresh water inlet line 410 is connected to the hot fresh water discharge pipe 103 of the fresh water heating tank unit 100, and the cold and fresh water outlet line 420 may be connected to the fresh water heating tank unit 100. And at the same time, the cold seawater inlet line 210 and the warm seawater outlet line 220 are provided to enable mutual heat exchange.

In particular, the second heating unit 400 is configured to include a first heat exchanger (not shown), so that the heat energy of high-temperature fresh water of about 60° C. to less than 70° C. is used. Since the low-temperature seawater is heated, the salt precipitation rate and the amount of salt precipitation in the heat exchange pipe can be significantly reduced compared to the case of heating cold seawater using the thermal energy of fresh water in the vapor state or ultra-high temperature fresh water at a temperature close to water vapor. It is possible to prevent the heat exchange pipe from being closed by the precipitated salt, and as a result, an effect of remarkably improving the life of the first heat exchanger may be provided.

Next, FIG. 3 is an exemplary diagram schematically illustrating a path through which fresh water flows in a heating tank unit provided in a conventional freshwater and seawater heating system. Referring to FIG. 3, a path through which fresh water flows in a conventional heating system is illustrated. First, let's explain.

First, a supply pipe 11 for supplying the cold and fresh water to the freshwater heating tank 10 and a discharge pipe 14 provided to allow the hot fresh water heated in the freshwater heating tank 10 to be discharged to the outside are shown in FIG. By allowing the hot fresh water heated through the above-described freshwater heating unit to stay in the freshwater heating tank 10 for a longer period of time, the supply pipe 11 ) And the discharge pipe 14 are provided to generate a greater amount of hot fresh water in the freshwater heating tank 10 than when they are disposed in an area facing each other.

In addition, the cold and fresh water inlet 13 may be disposed in a position adjacent to the supply pipe 11 rather than the discharge pipe 14, so that the cold and fresh water staying below the hot fresh water in the freshwater heating tank can be more smoothly introduced. Is configured to be able to.

And, referring to Figure 4 showing the freshwater and seawater heating system of the present invention, the freshwater heating tank unit 100 of the freshwater and seawater heating system of the present invention is near one side of the lower portion of the freshwater heating tank unit 100 It is located, a cold fresh water supply pipe 101 for supplying cold fresh water to the inside of the fresh water heating tank part, and is located near the other side of the top of the fresh water heating tank part 100, and is generated by the first heating part 300. It includes a hot fresh water discharge pipe 103 to discharge the hot fresh water to the outside of the fresh water heating tank.

In particular, by disposing the cold and fresh water supply pipe 101 and the hot fresh water discharge pipe 103 to be spaced apart from each other, an increased residence time for fresh water in the fresh water heating tank 100 can be ensured.

In addition, through the arrangement structure of the cold and fresh water supply pipe 101 and the hot fresh water discharge pipe 103 described above, the cold and fresh water inlet line of the main heating unit (not shown) 310 formed in the fresh water heating tank unit 100 ( Based on the end of 311), the amount of hot fresh water may occupy a relatively large proportion of the cold fresh water at the upper end of the cold fresh water inlet line, and the cold fresh water compared to the hot fresh water at the lower end of the cold fresh water inlet line. You can make the amount of numbers take up a relatively large percentage.

In addition, flow baffles 110 and 120 may be provided at a position adjacent to the cold fresh water supply pipe 101 and the hot fresh water discharge pipe 103 arranged as described above, and at inner ends of at least one pipe.

In particular, through the formation of the flow baffles 110 and 120 provided as described above, fresh water supplied from the cold and fresh water supply pipe 101 rises directly and is discharged directly to the hot fresh water discharge pipe in a state that is not sufficiently heated. By preventing, it is possible to stay for a longer time in the freshwater heating tank unit 100, and accordingly, the heating time for the cold and freshwater can be secured for a long time, so that better heating performance can be secured. do.

In addition, the flow baffles 110 and 120 are provided with baffle flow paths 111 and 121 formed therein to have a tubular shape as a whole, and are provided to include a pair of openings 113 and 123 formed to face each other on both side surfaces.

At this time, in the case of the flow baffle 110 connected to the cold and fresh water supply pipe 101 of the flow baffles 110 and 120, it acts as a flow baffle for inflow of fresh water, and is provided to perform a flow diffusion and/or bypass role. .

In particular, by connecting the above-described flow baffle 110 to the cold and fresh water supply pipe 101, when the cold fresh water flows into the fresh water heating tank 100, it prevents rapid inflow, and heats the fresh water. By preventing the temperature of the fresh water stored in the tank unit 100 from rapidly decreasing, the heating time for the fresh water can be prevented from increasing, so that the heating system can be operated more efficiently.

In addition, in the case of the flow baffle 120 connected to the hot fresh water discharge pipe 103, it is provided to converge the flow path when hot fresh water is discharged, and the hot fresh water inside the fresh water heating tank 100 is sufficiently heated. The hot and fresh water is discharged by allowing the fresh water to be discharged to the outside of the freshwater heating tank 100 in the state that is not heated, and to prevent a large amount of cold fresh water in the unheated state from being mixed and discharged toward the hot fresh water discharge pipe 103 This can be done more stably.

And, as shown in Figures 5 and 6, the flow baffle is provided to be coupled to or connected to the inner end of at least one of the cold fresh water supply pipe 101 and the hot fresh water discharge pipe 103, the outer direction It is provided to include a portion and an inward portion.

In particular, the outer portion is coupled or connected to an inner end of at least one of the cold fresh water supply pipe 101 and the hot fresh water discharge pipe 103, and is formed to face the inner wall of the fresh water heating tank.

In addition, the inner portion is provided so as to be located on the opposite side of the outer portion toward the inner center of the freshwater heating tank portion 100.

At this time, at least one or more through portions 112 are provided in an outer portion of the flow baffle 110 provided to be coupled or connected to the cold and fresh water supply pipe 101, and the cold fresh water through the through portions 112 It is provided to be discharged to the inner wall side of the heating tank 100.

In particular, through the formation of the through portion 112, a flow in a direction opposite to the main flow path of fresh water formed from the cold and fresh water supply pipe 101 toward the hot fresh water discharge pipe 103 can be locally expressed. To be.

In addition, by blocking a path through which fresh water flows from the inside of the flow baffle toward the upper end of the inner direction through the inner direction part of the flow baffle 110, the flow in the direction opposite to the main flow path is more efficient. Can be caused by

In addition, a plurality of through portions 122 may be formed in an outer portion of the flow baffle 120 coupled or connected to the hot fresh water discharge pipe 103, and the hot fresh water through the through portion 122 It is provided so as to flow from the heating tank 100 side to the hot fresh water discharge pipe 103 side.

In particular, through the formation of the through portion 122, the flow in the direction opposite to the main flow path can be locally expressed, thereby increasing the freshwater residence time in the freshwater heating tank 100 , It is possible to proceed with heating for a larger amount of cold fresh water, and as a result, it is possible to provide a more improved heating efficiency.

In describing the present invention, descriptions of the prior art and those that are obvious to those skilled in the art may be omitted, and descriptions of these omitted components and functions may be sufficiently referenced within the scope of the technical spirit of the present invention. .

The configurations and functions of the respective parts have been described separately from each other for convenience of explanation, and any configuration and function may be integrated into other components and bent or further subdivided as necessary.

As described above, with reference to embodiments of the present invention, the present invention is not limited thereto, and various modifications and applications are possible.

That is, those skilled in the art will be able to easily understand that many modifications can be made without departing from the gist of the present invention.

In addition, when it is determined that a detailed description of a known function related to the present invention and a configuration thereof or a coupling relationship for each configuration of the present invention may unnecessarily obscure the subject matter of the present invention, it should be noted that the detailed description has been omitted. something to do.

10: fresh water heating tank
11: supply pipe
12a,12b,12c: freshwater heating unit
13: cold fresh water inlet
14: discharge pipe
20: seawater heating tank
21: supply pipe
22: seawater heating unit
23: cold seawater inlet
24: discharge pipe
1000: Freshwater and seawater heating system for bathroom
100: fresh water heating tank part
101: cold and fresh water supply pipe
102: cold fresh water supply tank
103: hot fresh water discharge pipe
110: floating baffle
111: baffle flow
112: through part
113: opening
120: floating baffle
121: baffle euro
122: through part
123: opening
200: seawater heating tank part
201: cold seawater supply pipe
203: warm seawater discharge pipe
210: cold seawater inlet line
220: warm seawater outflow line
300: first heating unit
310: main heating part
311: cold fresh water inlet line
312: On-fresh water outflow line
321: cold fresh water inlet line
322: On-fresh water outflow line
320: sub heating unit
330: second heat exchanger
400: second heating unit
410: On-fresh water inflow line
420: cold fresh water outflow line

Claims (2)

A cold and fresh water supply tank that temporarily stores the cold and fresh water while heating the introduced cold fresh water by the first heating unit to generate and store it as hot fresh water, and then supply it to the first hot water supply unit in the bathroom A freshwater heating tank configured to include;
Including; a seawater heating tank configured to heat the introduced cold seawater by a second heating unit to generate and store warm seawater, and then supply it to a second hot water supply unit in the bathroom,
The first heating unit,
Including; a main heating unit including a heat pump,
The main heating unit,
And a cold fresh water inlet line connected to the cold fresh water supply tank and flowing the cold fresh water below a predetermined temperature toward the main heating unit,
The second heating unit,
A freshwater and seawater heating system for a bathhouse, comprising: a first heat exchanger configured to heat-exchange hot fresh water from the freshwater heating tank and cold seawater from the seawater heating tank. The method of claim 1,
The freshwater heating tank part,
A cold and fresh water supply pipe positioned near one of the lower portions of the fresh water heating tank and configured to supply cold fresh water into the fresh water heating tank;
Including; a hot fresh water discharge pipe located near the other side of the upper portion of the fresh water heating tank, the hot fresh water generated by the first heating unit to be discharged to the outside of the fresh water heating tank,
A flow baffle is provided at an inner end of at least one of the cold fresh water supply pipe and the hot fresh water discharge pipe,
The flow baffle is a freshwater and seawater heating system for a bathroom, characterized in that the freshwater flow between the inside of the freshwater heating tank and the at least one pipe is formed by bypassing in a lateral direction.

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